Revert of Remove StringBuilder::appendLiteral.

third_party/WebKit/Source/core/css/CSSCounterValue.cpp

Index: third_party/WebKit/Source/core/css/CSSCounterValue.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSCounterValue.cpp b/third_party/WebKit/Source/core/css/CSSCounterValue.cpp
index 877185dd0c816051135989effa04702983ee5025..07fc304628f53dc15dbbf7638c33002b477dca40 100644
--- a/third_party/WebKit/Source/core/css/CSSCounterValue.cpp
+++ b/third_party/WebKit/Source/core/css/CSSCounterValue.cpp
@@ -13,18 +13,18 @@
 {
     StringBuilder result;
     if (separator().isEmpty())
-        result.append("counter(");
+        result.appendLiteral("counter(");
     else
-        result.append("counters(");
+        result.appendLiteral("counters(");
 
     result.append(identifier());
     if (!separator().isEmpty()) {
-        result.append(", ");
+        result.appendLiteral(", ");
         result.append(m_separator->cssText());
     }
     bool isDefaultListStyle = listStyle() == CSSValueDecimal;
     if (!isDefaultListStyle) {
-        result.append(", ");
+        result.appendLiteral(", ");
         result.append(m_listStyle->cssText());
     }
     result.append(')');